Roofing & Siding in West Hempstead
New roofs, repairs, flat roofs and siding across Nassau County. Mario gives every estimate himself and works on every job with his crew.
★★★★★ 4.9 from 17 reviews on Angi
Family-Owned • West Hempstead, NY
About Best Job Construction
Best Job Construction is a family-owned roofing and construction company serving Nassau County since 2005. Mariano started the business in West Hempstead and personally shows up to every job — from the free estimate to the final cleanup.
We serve English and Spanish-speaking homeowners across Long Island. When you call Best Job, you get Mario.
- 19+ Years in Nassau County
- Licensed & Insured #204631
- GAF Certified™ ID 7158982
- English & Español
By the Numbers
Nassau County Roofing Results You Can Count On
How It Works
Four simple steps from first call to finished job.
Free Estimate
Mario walks your roof, shows you photos of what he finds, and gives you a written price. No surprises.
Pick Your Date
You choose the start date. We confirm everything in writing before we show up.
We Do the Work
Mario is on-site with his crew every day. We clean up at the end of each day.
Written Warranty
Every job comes with a 12–15 year written warranty on labor and materials.
Our Services
Roof Replacement
Full tear off and a brand new shingle roof.
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Roof Repair
Leaks, flashing, chimneys and damaged shingles.
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Flat Roofing
Torch down roofing for flat and low slope roofs.
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Siding
New vinyl siding that makes the house look new.
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Windows & Skylights
New windows and skylights, sealed tight.
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Framing & Additions
New builds, additions and second floors.
View serviceWhy Choose Best Job
19 years of honest work in Nassau County.
GAF Certified™
One of a small number of GAF Certified contractors in Nassau County. Strict standards, backed by the manufacturer.
19+ Years Experience
In business since 2005, serving West Hempstead and Nassau County. We know Long Island roofs.
Licensed & Insured
Fully licensed and insured in New York. License #204631. Protected from start to finish.
12–15 Year Warranty
Written warranty on every job. Labor and materials. If something goes wrong, we come back.
Open 7 Days a Week
Roofing emergencies don’t happen on a schedule. We’re available every day, including weekends.
English & Español
Bilingual crew and bilingual estimates. We serve every homeowner in Nassau County.
Before and After
New vinyl siding on a house in Nassau County.
Before
After
Recent Work
See all 67 photos
What Customers Say
★★★★★ 4.9 from 17 reviews on AngiMario took the time to sit down with us beforehand and clearly explain the job. True to his word, he worked alongside his crew throughout the project.
Best decision we made was hiring Mariano and his team. He came with cost-effective solutions and not excuses.
Mario and his crew did an amazing job replacing my roof and siding on the front of the house. The work quality was above my expectations.
He explained what needed to be done, along with showing us pictures he took of the flaws then quoted a reasonable price.
We've had the pleasure of working with Mario and his team at Best Job Construction on two separate roofing projects, and both experiences exceeded our expectations.
They did an AMAZING job! Very professional, from start to finish.
Need a roof looked at?
Estimates are free. Mario comes out, takes photos of what he finds and gives you a written price.